Vents SO Series User manual

AXIAL FAN
User's manual
www.ventilation-system.com
RO/SO
EN

2
EN
CONTENTS
Delivery set............................................................................................................................................................................................................................................. 7
Brief description .................................................................................................................................................................................................................................. 7
Operation guidelines ....................................................................................................................................................................................................................... 8
Designation key ................................................................................................................................................................................................................................. 9
Mounting and set-up....................................................................................................................................................................................................................... 10
Connection to power mains ....................................................................................................................................................................................................... 12
Electronics operation algorithm ............................................................................................................................................................................................... 14
Technical maintenance................................................................................................................................................................................................................... 15
Storage and transportation regulations............................................................................................................................................................................... 16
Manufacturer’s warranty................................................................................................................................................................................................................ 17

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EN
This user’s manual is a main operating document intended for technical, maintenance, and operating staff.
The manual contains information about purpose, technical details, operating principle, design, and installation of the RO/SO
unit and all its modifications.
Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should
be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the
territory of the country.
The information in this user’s manual is correct at the time of the document’s preparation.
The Company reserves the right to modify the technical characteristics, design, or configuration of its products at any time
in order to incorporate the latest technological developments.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means in any
information search system or translated into any language in any form without the prior written permission of the Company.
READ THE USER’S MANUAL CAREFULLY BEFORE PROCEEDING WITH INSTALLATION WORKS.
COMPLIANCE WITH THE MANUAL REQUIREMENTS ENSURES RELIABLE OPERATION AND LONG
SERVICE LIFE OF THE UNIT.
KEEP THE USER’S MANUAL AVAILABLE AS LONG AS YOU USE THE UNIT. YOU MAY NEED TO RE-READ
THE INFORMATION ON THE PRODUCT SERVICING.

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EN
FOLLOW THE USER’S MANUAL REQUIREMENTS TO ENSURE DURABLE AND
TROUBLE-FREE OPERATION OF THE UNIT.
Disconnect the unit from power supply prior to any connection,
servicing, maintenance, and repair operations.
Only qualied electricians with a work permit for electrical
units up to 1000 V are allowed for installation and maintenance.
The present user’s manual should be carefully read before
beginning works.
• Single-phase power mains must comply with the acting local electrical
norms and standards.
• Fixed electrical wiring must be equipped with an automatic circuit
breaker.
• The unit must be connected to power mains through a QF automatic
circuit breaker integrated into the fixed wiring system. The gap
between the circuit breaker contacts on all poles must be not less
than 3 mm. Check the unit for any visible damages of the impeller

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EN
and the casing before starting installation. The casing internals must
be free of any foreign objects that can damage the impeller blades.
• While mounting the unit, avoid compression of the casing!
Deformation of the casing may result in the motor jam and noisy
operation. Misuse of the unit and any unauthorised modifications are
not allowed.
• Take steps to prevent ingress of smoke, carbon monoxide, and other
combustion products into the room through open chimney flues or
other fire-protection devices. Sufficient air supply must be provided
for proper combustion and exhaust of gases through the chimney
of fuel burning equipment to prevent back drafting. Transported air
must not contain any dust or other solid impurities, sticky substances,
or fibrous materials.
• Do not use the unit in a hazardous or explosive environment
containing spirits, gasoline, insecticides, etc.
• Do not close or block the intake or extract vents in order to ensure the
efficient air flow.

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THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE.
• Do not sit on the unit and do not put objects on it.
• The unit is allowed to be used by children aged from 8 years old
and above and persons with reduced physical, sensory, or mental
capabilities or no experience and knowledge provided that they have
been given supervision or instruction regarding safe use of the unit
and understand the risks involved.
• Do not allow children to play with the unit.

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EN
DELIVERY SET
Fan — 1 pc.
Screws and dowels — 4 pcs.
Plastic screwdriver (for models with a timer) — 1 pc.
User’s manual — 1 pc.
Packing box — 1 pc.
BRIEF DESCRIPTION
The unit described herein is an axial fan for exhaust ventilation of small to medium-sized premises heated during winter.
The fan design can also include a non-return valve to prevent back flow when the fan is switched off.
The fan design is constantly being improved, thus some models may be slightly different from those described in this
manual.
B
d
B
L
L
l
l
D
D
H
d
C
H
C
RO
SO

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EN
OVERALL DIMENSIONS
B
d
B
L
L
l
l
D
D
H
d
C
H
C
RO
SO
OPERATION GUIDELINES
The fan is connected to 220...240 V/50 (60) Hz or 12 V/50 Hz single-phase AC mains depending on the model and is designed
for continuous operation without disconnection from the electric mains.
Air motion direction in the system must match the pointer on the fan casing.
Ingress protection rating against access to hazardous parts and water ingress is IP24.
The fan is rated for operation at the ambient temperature ranging from +1 °C up to +45 °C.
The unit is rated as a Class II (220-240 V/50 Hz) or Class III (12 V/50 Hz) electrical appliance; (IEC 60335-1:1991).
Model D B l L H C d
SO 100
100 mm
177 mm
88 mm
121 mm 103 mm 57 mm 118 mm
RO 100 172 mm
SO 125
125 mm
177 mm
122 mm 124 mm 71 mm 143 mm
RO 125 172 mm

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EN
DESIGNATION KEY
ХХ 100 Х Х Х X (X/Y) (X)
Packing
Mains parameters,
where X is voltage, Y is frequency (220-240 V/50 Hz by default)
Colour (white by default)
Basic options:
L: motor on ball bearings
K: non-return valve with a membrane made of lightweight KO polymer
K1: non-return valve with a membrane made of KO1 plastic
V: pull cord switch
T: timer
TH: timer and humidity sensor
VT: pull cord switch, timer
VTH: pull cord switch, timer, humidity sensor
Motor and impeller modications:
Turbo: high-powered motor
Q: low-noise motor
12: motor with 12 V/50 Hz rated voltage
Press: high pressure impeller
Outlet spigot diameter [mm]
RO, SO fan series
Designation key example:
RO 100-Q VT K: RO series fan with a Ø 100 mm spigot, equipped with a pull cord switch, a timer and a non-return valve,
with standard power supply parameters, white, in a corrugated box.

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MOUNTING AND SET-UP
Cut off power supply and make sure electricity has been
turned off.
The fan is designed for wall or ceiling mounting with direct
air exhaust to the ventilation shaft or into the round air duct
of matching diameter.
QF
L N
Unscrew the retaining screw. Remove the front panel of
the fan by turning it counter-clockwise.
Mark the holes for fixing the fan and the power cable.